extract2, when we know the final size of the slice, we do one heap
First FT: the day’s biggest stories
，更多细节参见同城约会
was difficult to see how you would shove an ATM's random interruptions into the
（二）公然侮辱他人或者捏造事实诽谤他人的；
Instead of yielding one chunk per iteration, streams yield Uint8Array[] — arrays of chunks. This amortizes the async overhead across multiple chunks, reducing promise creation and microtask latency in hot paths.